linux-kernel - [PATCH 0/4] powerpc32: use cacheable alternatives of memcpy and memset

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Date:	Tue, 12 May 2015 15:32:47 +0200 (CEST)
From:	Christophe Leroy <christophe.leroy@....fr>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Michael Ellerman <mpe@...erman.id.au>, scottwood@...escale.com
Cc:	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
	Joakim Tjernlund <joakim.tjernlund@...nsmode.se>,
	Kyle Moffett <Kyle.D.Moffett@...ing.com>
Subject: [PATCH 0/4] powerpc32: use cacheable alternatives of memcpy and memset

This patchset implements use of cacheable versions of memset and
memcpy when the len is greater than the cacheline size and the
destination is in RAM.

On MPC885, we observe a 7% rate increase on FTP transfer

Christophe Leroy (4):
  Partially revert "powerpc: Remove duplicate cacheable_memcpy/memzero
    functions"
  powerpc32: swap r4 and r5 in cacheable_memzero
  powerpc32: memset(0): use cacheable_memzero
  powerpc32: memcpy: use cacheable_memcpy

 arch/powerpc/lib/copy_32.S | 148 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 148 insertions(+)

-- 
2.1.0

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